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Method and apparatus for managing display restrictions in color grading and content approval

A color grading and display technology, applied in cathode ray tube indicators, color TV parts, color TV, etc., can solve problems affecting the appearance of video content

Active Publication Date: 2016-08-24
DOLBY LAB LICENSING CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It can happen that pixels that cannot be accurately displayed on the reference display adversely affect the appearance of the video content when displayed on a display capable of accurately displaying those pixels

Method used

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  • Method and apparatus for managing display restrictions in color grading and content approval
  • Method and apparatus for managing display restrictions in color grading and content approval
  • Method and apparatus for managing display restrictions in color grading and content approval

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Embodiment Construction

[0025] Throughout the following description, specific details are set forth in order to provide a thorough understanding to those skilled in the art. However, well known elements may not have been shown or described in detail to avoid unnecessarily obscuring the disclosure. Accordingly, the description and drawings are to be regarded as illustrative rather than restrictive.

[0026] figure 1 is a block diagram illustrating an exemplary video post-production and publishing workflow 10 . Input video data 14 from a video data source 12 is provided to a color grading tool 16 . Color grading tool 16 is operable to enhance, correct, and / or otherwise alter input video data 14 , for example, by modifying pixel values ​​to alter color, brightness, contrast, and the like. The working video data 18 of the color grading tool 16 is provided to a color grading reference display 20 . The color grading reference display 20 displays the working video data 18 .

[0027] A user of color gra...

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PUM

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Abstract

Methods and apparatus are presented for ensuring a consistent presentation appearance of video data displayed on a display having different capabilities than the target display. Some embodiments include modifying at least one pixel of the input video data such that the modified pixel represents a appearing appearance of the at least one pixel when displayed by the target display. In some embodiments, modifying the at least one pixel includes replacing an original pixel value of the at least one pixel with a replacement pixel value representing a modeled display of the original pixel value by the target display.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to US Provisional Patent Application No. 61 / 422,208, filed December 12, 2010, which is hereby incorporated by reference in its entirety. technical field [0003] The present invention relates to methods and apparatus useful for color grading, approval, distribution and viewing of image data content, such as video content. Some embodiments present methods and apparatus for adjusting video content for purposes of color grading, approval, and / or viewing of the video content. Background technique [0004] Post-production of video content can include color grading. Color grading may involve the use of color grading tools (e.g., with hardware and / or software-implemented tools) to enhance, correct, and / or otherwise alter the characteristics of video content. Color grading is sometimes performed by an individual (or group of people) as an iterative process of applying color grading operation...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G5/02G11B27/031H04N9/64H04N1/60
CPCG09G5/02G11B27/034H04N1/6052G09G2340/06H04N23/56H04N23/841H04N25/134H04N9/67H04N9/68H04N9/73H04N9/64
Inventor R·阿特肯斯C·C·万A·韦伯斯特
Owner DOLBY LAB LICENSING CORP